Histogram

October 20, 2001 by Ben Long
Filed under: Glossary, Glossary_H 

A graph of the distribution of tones within an image. The histogram is one of the most powerful tools that you have for image correction and shooting (assuming your camera has a built-in histogram feature). With an on-board histogram you can perform a much-better assessment of your exposure and ensure that you’re capturing a full range of good data, which will make your editing tasks easier. An on-board histogram is one of the tools that gives the digital photographer an edge over their film counterparts, when shooting.

 Learning to read and exploit a histogram will immediately help you to produce better-exposed images. You can learn all you need to know about histograms, for shooting and editing, in Complete Digital Photography, 3rd edition.

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